GQE-LPF-T specifications:
- The Transport (T) configuration features 25 lines with 20 kHz cutoff frequencies designed with low-frequency lock-in amplifier measurements in mind.
- All lines feature 2-pole RC and four stages of 7-pole LC filtering
- Input connector: 25-socket (female) D-sub micro
- Output connector: 25-pin (male) D-sub micro
- Insertion loss: > 60 dB for 1 MHz – 1 GHz, > 50 dB for 1 – 20 GHz (typ.)
- Lines 1-25: 20 kHz cutoff • Resistance: 1002 Ω (typ.)
- Phase shift at 100 Hz: < 0.5 deg. (typ.)
- Operating limits: 25 V or 15 mA (max.)
- Isolation from ground: > 10 GΩ (typ.)
- Recommended applications: Low-frequency lock-in amplifier and transport measurements.

